Home / 3,270.66-4,513.52-1,778.60

Finding the Fourth Proportional to 3,270.66, 4,513.52 and 1,778.60

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Solution

The fourth proportional to 3,270.66, 4,513.52 and 1,778.60 is: 2,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.66 : 4,513.52 = 1,778.60 : x
  2. Step 2: Convert to fraction form
    3,270.66/4,513.52 = 1,778.60/x
  3. Step 3: Cross multiply
    3,270.66x = 4,513.52 × 1,778.60
  4. Step 4: Simplify right side
    3,270.66x = 8,027,715.21
  5. Step 5: Solve for x
    x = 8,027,715.21/3,270.66
  6. Step 6: Final answer
    x = 2,454.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.